<template>
  <div>
    <!-- 面包屑导航区 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片视图区域 -->
    <el-card>
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input
            placeholder="请输入内容"
            v-model="qureyInfo.query"
            clearable
            @clear="getGoodsList"
          >
            <el-button @click="getGoodsList" slot="append" icon="el-icon-search"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
            <el-button @click="goAddpage" type="primary">添加商品</el-button>
        </el-col>
      </el-row>

      <!-- table 表格区域 -->
      <el-table :data="goodslist" border stripe>
          <el-table-column  type="index" label="#"></el-table-column>
          <el-table-column  label="商品名称" prop="goods_name"></el-table-column>
          <el-table-column width="95px" label="商品价格(元)" prop="goods_price"></el-table-column>
          <el-table-column width="70px" label="商品重量" prop="goods_weight"></el-table-column>
          <el-table-column width="150px" label="创建时间" prop="add_time">
              <template slot-scope="scope">
                  {{scope.row.add_time | dateFormat }}
              </template>
          </el-table-column>
          <el-table-column width="210px" label="操作">
              <template slot-scope="scope">
              <el-button type="primary" icon="el-icon-edit">编辑</el-button>
              <el-button  type="danger" icon="el-icon-delete" @click="removeById(scope.row.goods_id)">删除</el-button>
              </template>
          </el-table-column>
      </el-table>
      <!-- 分页区域 -->
      <el-pagination
      @size-change="handleSizeChange"
      @current-change="handleCurrentChange"
      :current-page="qureyInfo.pagenum"
      :page-sizes="[5, 10, 15, 20]"
      :page-size="qureyInfo.pagesize"
      background
      layout="total, sizes, prev, pager, next, jumper"
      :total="total">
      </el-pagination>
    </el-card>
  </div>
</template>

<script>
export default {
  data() {
    return {
    // 查询参数对象
      qureyInfo: {
        query: '',
        pagenum: 1,
        pagesize: 10
      },
      // 商品列表
      goodslist: [],
      // 总数据条数
      total: 0
    }
  },
  created() {
    this.getGoodsList()
  },
  methods: {
    // 根据分页获取对应的商品列表
    async getGoodsList() {
      const { data: res } = await this.$http.get('goods', { params: this.qureyInfo })
      if (res.meta.status !== 200) {
        return this.$message.error('获取列表商品失败')
      }
      this.$message.success('获取商品列表成功')
      console.log(res.data)
      this.goodslist = res.data.goods
      this.total = res.data.total
    },
    handleSizeChange(newSize) {
      this.qureyInfo.pagesize = newSize
      this.getGoodsList()
    },
    handleCurrentChange(newPage) {
      this.qureyInfo.pagenum = newPage
      this.getGoodsList()
    },
    async removeById(id) {
      const confirmResult = await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(err => err)
      // eslint-disable-next-line no-undef
      if (confirmResult !== 'confirm') {
        return this.$message.info('已经取消了删除')
      }
      const { data: res } = await this.$http.delete(`goods/${id}`)
      if (res.meta.status !== 200) {
        return this.$message.error('删除失败')
      }
      this.$message.success('删除成功')
      this.getGoodsList()
    },
    goAddpage() {
      this.$router.push('/goods/add')
    }
  }
}
</script>

<style lang="less" scoped>
</style>
